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AVAILABLE-FOR-SALE DEBT SECURITIES AND EQUITY SECURITIES - Additional Information (Details) - Fair Value, Measurements, Recurring - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023
Galapagos
Available-for-Sale Debt Securities
Marketable equity securities	$ 483
Equity securities subject to contractual sale restrictions		$ 686
Arcus
Available-for-Sale Debt Securities
Marketable equity securities	$ 460	$ 283

X

- Definition

Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI), classified as current.

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